lib/gdi/font.cpp: try to fix wrong reordering of some characters

[enigma2.git] / lib / gdi / font.cpp

diff --git a/lib/gdi/font.cpp b/lib/gdi/font.cpp
index dfac144c752d41c7506f59972fdb0a573a4ab6c4..1d3c34dac5a824ec317616d71695827c7ec436b7 100644 (file)
--- a/lib/gdi/font.cpp
+++ b/lib/gdi/font.cpp
@@ -595,22 +595,60 @@ int eTextPara::renderString(const char *string, int rflags)
        shape(uc_shape, uc_string);
        
                // now do the usual logical->visual reordering
-#ifdef HAVE_FRIBIDI    
-       FriBidiCharType dir=FRIBIDI_TYPE_ON;
+       int size=uc_shape.size();
+#ifdef HAVE_FRIBIDI
+       bool mustRealign=false;
+       int pos=0, spos=0;
+       uc_visual.resize(size);
+       // gaaanz lahm, aber anders geht das leider nicht, sorry.
+       FriBidiChar array[size], target[size];
+       std::copy(uc_shape.begin(), uc_shape.end(), array);
+
+       bool line_open = false;
+       while(pos < size)
        {
-               int size=uc_shape.size();
-               uc_visual.resize(size);
-               // gaaanz lahm, aber anders geht das leider nicht, sorry.
-               FriBidiChar array[size], target[size];
-               std::copy(uc_shape.begin(), uc_shape.end(), array);
-               fribidi_log2vis(array, size, &dir, target, 0, 0, 0);
-               uc_visual.assign(target, target+size);
+               int incr=1;
+               bool line_end = false;
+               if (!line_open)
+                       line_open = true;
+               switch((unsigned long)array[pos])
+               {
+               case '\\':
+                       if (pos+1 == size || (unsigned long)array[pos+1] != 'n')
+                               break;
+                       ++incr;
+               case 0x8A:
+               case 0xE08A:
+               case '\n':
+                       line_end = true;
+               default:
+                       break;
+               }
+               if (line_end || pos+incr >= size)
+               {
+                       int len = pos - spos;
+                       if (len)
+                       {
+                               FriBidiCharType dir=FRIBIDI_TYPE_ON;
+                               fribidi_log2vis(array+spos, len, &dir, target+spos, 0, 0, 0);
+                               if (!mustRealign && dir&FRIBIDI_MASK_RTL)
+                                       mustRealign = true;
+                       }
+                       target[pos] = array[pos];
+                       if (incr > 1)
+                               target[pos+1] = array[pos+1];
+                       spos = pos+incr;
+                       line_open = false;
+               }
+               pos += incr;
        }
+
+       uc_visual.assign(target, target+size);
 #else
        uc_visual=uc_shape;
 #endif
 
-       glyphs.reserve(uc_visual.size());
+       glyphs.reserve(size);
        
        int nextflags = 0;
        
@@ -703,7 +741,7 @@ nprint:     isprintable=0;
        bboxValid=false;
        calc_bbox();
 #ifdef HAVE_FRIBIDI
-       if (dir & FRIBIDI_MASK_RTL)
+       if (mustRealign)
                realign(dirRight);
 #endif
        return 0;